Gomery



En WHWESSES (No Model.)

E. F. MONTGOMERY 8v A. HEIBERGER.

DEVISE FOR GONVERTING MOTIUN.

9%502. Patented Oct. 2, 1888..

y' N W nullA mlm,i i.

UNTTEn STATES PATENT EDWARD F. MONTGOMERY AN D AUGUST HEIBERG-ER y YASSIGNOR TO SAID HEIBERGER.

SAID MONTGOMER,

, OF SANDUSKY, OHIO;

DEVICE FOR CONVERTING MOTION.

:SSPECIFICATION forming part of Letters Patent No. 390,502, datedOctober 2, 1888. Application filed March 15, 1888. Serial No. M1259. (Nomodel.)

To @ZZ wwm/ t may concern:

Be it known that we, EDWARD F. Monr- GOMEEY and AUGUs'r HEIEERGER, bothresidents of Sandusky, in the county of Erie and State of Ohio, haveinvented certain new and useful Improvements in Devices for ConvertingMotion; and we do hereby declare that the following is a full, clear,andexact description oftheinvention, which will enable others 1o skilledin the art to which it appertains to make and use the same, referencebeing had to the accompanying drawings, which form a part ofthisspeeifieation, and in which- Figure 1 is aperspective rear` View ol"our improved device for converting motion. Fig. 2 is a front elevationof the saine, showing it as applied to the end ol'a piston-rod. Fig. 3is a side elevation, part of the frame being broken away; and Fig. 4 isa horizontal sectional View on line .r a in Fig. 3.

Similar letters of reference indicate corresponding parts in all theIigures.

Our invention has relation to devices for converting reciprocatingmotion of steam-en` gines, dsc., into rotary, and vice versa, of thattype in which this is effected by means of a cogged pinion or segmentengaging cogged racks arranged opposite to each other; and ourimprovement consists in the detailed con` 3o struction and combinationof parts of a device of that class, as will be hereinafter more fullydescribed, and particularly pointed out in the claims.

i Reference being had to the accompanying 3 5 drawings, the letters A Adesignate the guideways for the movable reciprocating frame B. Thelatter, which may be cast in one piece, consists of the two parallelracks C C, which are connected at the top and bottom by the 4ocross-pieces D D. These cross-pieces are connected to each other by twobars, designated by the letters E E, and one of them is bolted orotherwise connected to the end of a pistonrod or other reciprocatingmotor, M. The

two bars E E are parallel to each other and to the side raeks,G G, butproject beyond the plane of the frame B, to the back part of movably, bymeans which they are fastened, re of the screws or bolts F.

The letter G designates the rotary shaft,

which is hung in suitable bearings, II, and is keyed or otherwisefastened at its inner end in the center of the cogged' segment I, thecogs or teeth ofwhich may mesh with the cogged racks@ C., The centralportion of this segment is extended to form a cylindrical projection,(shown at J,) into the central bore of which the shaft is inserted andsecurely fastened, either by a wedge or key or by means of abinding-screw, K, asshown-in the drawings. 6o For the sake ofconvenience we prefer this latter mode of fastening the shaft to thesegment and its cylindrical extension, although it is obvious that othermethods may he resorted to, if desired, without departing from thespirit of our invention, so far as this part ofit is concerned. Thiscylindrical extension J is provided with a circumferential groove,

L, ofsuitable depth and ofa width corresponding to the thickness of theparallel bars E E, which connect the top and bottom part-s of thereciprocating frame, and these bars are so disposed upon the back partof the frame that they will project into the circumferential groove L,one on each side. In this manner it will be seen that these bars operateas guides for the frame to which they are fixed, and of which they forma removable and adjustable part, in such a manner that the reciprocatingframe will always work true forward and back 8o when the shaft isrotated without danger of binding against the exterior guideways, A A.

In other words, by the employment of these inner guide-bars engaging thegrooved projection on the segment, the reciprocating frame will alwayswork parallel to the outer guides without tilting it obliquely on itsforward and backward strokes. The apertures at opposite ends of theseguide-bars E E, through which the screws Fare inserted, are made oblong,in the nature of slots, as indicated in dotted lines on the drawings, sothat by loosening the screws at opposite ends the bars may readily beadjusted laterally to compensate for wear.

Having thus described our invention, we claim and desire to secure byLetters I )atent of the United Statesm 1. The combination of thereeiproeatingcogged frame, the revolving cogged segment, the roo groovedcylinder, and the guide-bars fastened structed to operate substantiallyin the manupon the reciprocating frame and Working in ner and for thepurpose herein shown and set the groove of the cylinder, substantiallyas forth.

and for the purpose shown and set forth. In testimony that We claim theforegoing as 5 2. The combination of the rotary shaft, the our own Wehave hereunto affixed our signacogged segment provided with acylindrical turesin presence of two witnesses.

extension having a circumferential groove the l l reciprocating coggedframe adapted to engage EDWARD F' MONTGOM ERY the rotary segment, theexterior parallel guide- AUGUST HEIBERGER 1o Ways, and the parallel andadjustable inner Witnesses:

-guideways adapted to engage the groove in the S. E. BAUDER,

cylindrical projection on the segment, allcon. JAMES M. FRENCH.

